Home / 1,445,288.80-1,993,694.92-1,138,234

Finding the Fourth Proportional to 1,445,288.80, 1,993,694.92 and 1,138,234

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Solution

The fourth proportional to 1,445,288.80, 1,993,694.92 and 1,138,234 is: 1,570,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,288.80 : 1,993,694.92 = 1,138,234 : x
  2. Step 2: Convert to fraction form
    1,445,288.80/1,993,694.92 = 1,138,234/x
  3. Step 3: Cross multiply
    1,445,288.80x = 1,993,694.92 × 1,138,234
  4. Step 4: Simplify right side
    1,445,288.80x = 2,269,291,343,571.28
  5. Step 5: Solve for x
    x = 2,269,291,343,571.28/1,445,288.80
  6. Step 6: Final answer
    x = 1,570,130.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.